public void revertFromSnapshot(CloudBlockBlob blobRef, CloudBlockBlob snapshot)
{
try
{
blobRef.StartCopyFromBlob(snapshot);
DateTime timestamp = DateTime.Now;
blobRef.FetchAttributes();
snapshot.FetchAttributes();
string time = snapshot.Metadata["timestamp"];
blobRef.Metadata["timestamp"] = timestamp.ToUniversalTime().ToString("MM/dd/yyyy HH:mm:ss");
blobRef.SetMetadata();
blobRef.CreateSnapshot();
//System.Windows.Forms.MessageBox.Show("revert success");
Program.ClientForm.addtoConsole("Successfully Reverted with time: " + time);
Program.ClientForm.ballon("Successfully Reverted! ");
}
catch (Exception e)
{
Program.ClientForm.addtoConsole("Exception:" + e.Message);
//System.Windows.Forms.MessageBox.Show(e.ToString());
}
}
public void CloudBlockBlobCopyFromSnapshotTest()
{
CloudBlobContainer container = GetRandomContainerReference();
try
{
container.Create();
CloudBlockBlob source = container.GetBlockBlobReference("source");
string data = "String data";
UploadText(source, data, Encoding.UTF8);
source.Metadata["Test"] = "value";
source.SetMetadata();
CloudBlockBlob snapshot = source.CreateSnapshot();
//Modify source
string newData = "Hello";
source.Metadata["Test"] = "newvalue";
source.SetMetadata();
source.Properties.ContentMD5 = null;
UploadText(source, newData, Encoding.UTF8);
Assert.AreEqual(newData, DownloadText(source, Encoding.UTF8), "Source is modified correctly");
Assert.AreEqual(data, DownloadText(snapshot, Encoding.UTF8), "Modifying source blob should not modify snapshot");
source.FetchAttributes();
snapshot.FetchAttributes();
Assert.AreNotEqual(source.Metadata["Test"], snapshot.Metadata["Test"], "Source and snapshot metadata should be independent");
CloudBlockBlob copy = container.GetBlockBlobReference("copy");
copy.StartCopyFromBlob(TestHelper.Defiddler(snapshot));
WaitForCopy(copy);
Assert.AreEqual(CopyStatus.Success, copy.CopyState.Status);
Assert.AreEqual(data, DownloadText(copy, Encoding.UTF8), "Data inside copy of blob not similar");
copy.FetchAttributes();
BlobProperties prop1 = copy.Properties;
BlobProperties prop2 = snapshot.Properties;
Assert.AreEqual(prop1.CacheControl, prop2.CacheControl);
Assert.AreEqual(prop1.ContentEncoding, prop2.ContentEncoding);
Assert.AreEqual(prop1.ContentDisposition, prop2.ContentDisposition);
Assert.AreEqual(prop1.ContentLanguage, prop2.ContentLanguage);
Assert.AreEqual(prop1.ContentMD5, prop2.ContentMD5);
Assert.AreEqual(prop1.ContentType, prop2.ContentType);
Assert.AreEqual("value", copy.Metadata["Test"], false, "Copied metadata not same");
copy.Delete();
}
finally
{
container.DeleteIfExists();
}
}
/// <summary>
/// Test blob reads, expecting success.
/// </summary>
/// <param name="testBlob">The blob to test.</param>
/// <param name="testAccessCondition">The access condition to use.</param>
private void BlobReadExpectLeaseSuccess(CloudBlockBlob testBlob, AccessCondition testAccessCondition)
{
testBlob.FetchAttributes(testAccessCondition, null /* options */);
testBlob.CreateSnapshot(null /* metadata */, testAccessCondition, null /* options */).Delete();
DownloadText(testBlob, Encoding.UTF8, testAccessCondition, null /* options */);
Stream stream = testBlob.OpenRead(testAccessCondition, null /* options */);
stream.ReadByte();
}
/// <summary>
/// Test blob reads, expecting lease failure.
/// </summary>
/// <param name="testBlob">The blob to test.</param>
/// <param name="targetBlob">The blob to use for the target of copy operations.</param>
/// <param name="testAccessCondition">The failing access condition to use.</param>
/// <param name="expectedErrorCode">The expected error code.</param>
/// <param name="description">The reason why these calls should fail.</param>
private void BlobReadExpectLeaseFailure(CloudBlockBlob testBlob, CloudBlockBlob targetBlob, AccessCondition testAccessCondition, HttpStatusCode expectedStatusCode, string expectedErrorCode, string description)
{
// FetchAttributes is a HEAD request with no extended error info, so it returns with the generic ConditionFailed error code.
TestHelper.ExpectedException(
() => testBlob.FetchAttributes(testAccessCondition, null /* options */),
description + "(Fetch Attributes)",
HttpStatusCode.PreconditionFailed);
TestHelper.ExpectedException(
() => testBlob.CreateSnapshot(null /* metadata */, testAccessCondition, null /* options */),
description + " (Create Snapshot)",
expectedStatusCode,
expectedErrorCode);
TestHelper.ExpectedException(
() => DownloadText(testBlob, Encoding.UTF8, testAccessCondition, null /* options */),
description + " (Download Text)",
expectedStatusCode,
expectedErrorCode);
TestHelper.ExpectedException(
() => testBlob.OpenRead(testAccessCondition, null /* options */),
description + " (Read Stream)",
expectedStatusCode/*,
expectedErrorCode*/);
}
